Update dependency nerves_system_br to v1.35.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
nerves_system_br (source)	prod	minor	1.34.3 → == 1.35.0

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Release Notes

nerves-project/nerves_system_br (nerves_system_br)

v1.35.0

Compare Source

This is a major Buildroot update to 2026.08.

• Changes

  • Fix regression where the Erlang available memory patch was not being applied
    to Erlang/OTP 29. Without this patch, the system_memory_high_watermark
    alarm would be incorrectly set. The patch was originally added in v1.31.4.
    Earlier Erlang/OTP versions continued to have the patch.

• Package updates

  • Buildroot 2026.08
  • Erlang/OTP 29.1

v1.34.5

Compare Source

This is a security and bug fix release.

• Package updates
  • Buildroot 2026.05.3
  • fwup 1.17.0

v1.34.4

Compare Source

This is a security fix release.

• Changes

  • Erlang updated from 29.0.5 to 29.0.6
  • Support unpacking Buildroot outside of the source tree to keep the source
    tree clean. Set $NERVES_BR_DIR on call to create-build.sh

• Package updates

  • Erlang/OTP 29.0.6

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⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
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The artifact failure details are included below:

File name: mix.lock

/usr/local/bin/mix: line 18: /opt/containerbase/tools/elixir/1.20.4/bin/mix: No such file or directory